Do you do this after the board has already been developed and dried,
then hardened, or is this how you do the initial develop?
--Rick
On 1/10/2014 12:26 AM, Russell Shaw wrote:
> Either reduce the exposure time, or better still (i found) is develop
> the board
> in weak NaOH stripper. First put the exposed board in a tray of warm
> water, then
> add some 10% conc. NaOH while sloshing. Continue sloshing or brushing
> over with
> a paint brush for a minute or two. If there's no change, add more NaOH
> and
> repeat until the unexposed resist is properly removed, then rinse in
> water. It
> gives an excellent result for over-exposed boards.